PS2000 Microscope -basic unit in working order for white light，inclunding revolving slide holder，lens change control with one lens 14.8X fitted as standard for the total view of a standard thin section on the screen，two vacant lens mounts for exchange lenses，variable brightness control.Halogen-Xenon-lamp 250W 24V，main power connection with transformer 110-220-240V，AC 50/60Hz. PS2000 显微投影显微镜，白光，偏光及补偿器都为自动转换，主机包括可旋转样品台；物镜转换控制（物镜台上包括一个14.8倍的物镜及两个物镜台位），在14.8倍的物镜下，可观测到样片的整体，视域开阔。机身带亮度控制器，可调节光线强弱 ，显微镜专用卤素氙气灯（250W，24V）一个，**寿命约为250小时；主电源接口(变压110-220-240V ，交流电50/60Hz)